#642A4A
Closest named color: Purple Brown (#673A3F). oklch(37.7% 0.093 348.2), rgb(100, 42, 74).
Aa
White text reads best on this color (10.64:1).
About this color
#642A4A is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.093 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.052 away. White text reads best on it, at 10.64:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.97:1 |
| White text | 10.64:1 |
Values
| HEX | #642A4A |
| RGB | rgb(100, 42, 74) |
| HSL | hsl(327, 41%, 28%) |
| OKLCH | oklch(37.7% 0.093 348.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #642A4A | 10.64:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #642A4A | 1.97:1 | Fails | Lc 9.7 | Not readable |
| #642A4A text on white | 10.64:1 | AAA | Lc 94.3 | Preferred for body text |
| #642A4A text on black | 1.97:1 | Fails | Lc -8.3 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F5E5EC
oklch(93.7% 0.02 349.1)
-
Step 200
200
#EECFDD
oklch(88.4% 0.039 348.9)
-
Step 300
300
#E4AFC8
oklch(81% 0.07 348.8)
-
Step 400
400
#D483AD
oklch(70.7% 0.112 347.9)
-
Step 500
500
#C66298
oklch(63.1% 0.142 348.3)
-
Step 600
600
#B14683
oklch(55.6% 0.155 348)
-
Step 700
700
#98376F
oklch(49.1% 0.144 348)
-
Step 800
800
#7C2E5A
oklch(42.7% 0.12 348.4)
-
Step 900
900 (this color)
#642A4A
oklch(37.7% 0.093 348.2)
-
Step 950
950
#3B192B
oklch(27% 0.059 348.8)
#642A4A with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #30384B | 0.101 |
| Deuteranopia (no green cones) | #404249 | 0.091 |
| Tritanopia (no blue cones) | #6B2836 | 0.036 |
| Achromatopsia (no color) | #3E3E3E | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #642A4A
#642A4A
oklch(37.7% 0.093 348.2)
- #004E3A
#004E3A
oklch(37.7% 0.076 168.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #642A4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.052
- Grape Purple #5D1451 ΔE 0.055
- Velvet #750851 ΔE 0.060
- Merlot #730039 ΔE 0.061
- Rich Purple #720058 ΔE 0.069
- Wine #80013F ΔE 0.070
- Red Purple #820747 ΔE 0.070
- Bordeaux #7B002C ΔE 0.073
Use #642A4A in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.